15981995427840

Names of 15981995427840

• Cardinal: 15981995427840 can be written as Fifteen trillion, nine hundred eighty-one billion, nine hundred ninety-five million, four hundred twenty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.598199542784 × 10¹³

Factors of 15981995427840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 20237

Divisors of 15981995427840

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 128 130 144 156 160 180 192 195 208 234 240 256 260 288 312 320 360 384 390 416 468 480 512 520 576 585 624 640 683 720 768 780 832 936 960 1024 1040 1152 1170 1248 1280 1366 1440 1536 1560 1664 1872 1920 2048 2049 2080 2304 2340 2496 2560 2732 2880 3072 3120 3328 3415 3744 3840 4098 4160 4608 4680 4992 5120 5464 5760 6144 6147 6240 6656 6830 7488 7680 8196 8320 8879 9216 9360 9984 10240 10245 10928 11520 12294 12480 13312 13660 14976 15360 16392 16640 17758 18432 18720 19531 19968 20490 21856 23040 24588 24960 26624 26637 27320 29952 30720 30735 32784 33280 35516 37440 39062 39936 40980 43712 44395 46080 49176 49920 53274 54640 58593 59904 61470 65568 66560 71032 74880 78124 79872 79911 81960 87424 88790 92160 97655 98352 99840 106548 109280 117186 119808 122940 131136 133120 133185 142064 149760 156248 159822 163920 174848 175779 177580 195310 196704 199680 213096 218560 234372 239616 245880 253903 262272 266370 284128 292965 299520 312496 319644 327840 349696 351558 355160 390620 393408 399360 399555 426192 437120 468744 491760 507806 524544 532740 568256 585930 599040 624992 639288 655680 699392 703116 710320 761709 781240 786816 799110 852384 874240 878895 937488 983520 1015612 1049088 1065480 1136512 1171860 1198080 1249984 1269515 1278576 1311360 1398784 1406232 1420640 1523418 1562480 1573632 1598220 1704768 1748480 1757790 1874976 1967040 2031224 2098176 2130960 2273024 2285127 2343720 2499968 2539030 2557152 2622720 2812464 2841280 3046836 3124960 3147264 3196440 3409536 3496960 3515580 3749952 3808545 3934080 4062448 4196352 4261920 4546048 4570254 4687440 4999936 5078060 5114304 5245440 5624928 5682560 6093672 6249920 6294528 6392880 6819072 6993920 7031160 7499904 7617090 7868160 8124896 8523840 9092096 9140508 9374880 9999872 10156120 10228608 10490880 11249856 11365120 11425635 12187344 12499840 12589056 12785760 13339673 13638144 14062320 14999808 15234180 15736320 16249792 17047680 18184192 18281016 18749760 19999744 20312240 20457216 20981760 22499712 22730240 22851270 24374688 24999680 25571520 26679346 27276288 28124640 29999616 30468360 31472640 32499584 34095360 36562032 37499520 39999488 40019019 40624480 40914432 44999424 45460480 45702540 48749376 49999360 51143040 53358692 54552576 56249280 59999232 60936720 62945280 64999168 66698365 68190720 73124064 74999040 80038038 81248960 81828864 89998848 90920960 91405080 97498752 99998720 102286080 106717384 112498560 119998464 120057057 121873440 129998336 133396730 136381440 146248128 149998080 160076076 162497920 163657728 173415749 179997696 182810160 194997504 199997440 200095095 204572160 213434768 224997120 240114114 243746880 259996672 266793460 272762880 292496256 299996160 320152152 324995840 346831498 359995392 365620320 389995008 400190190 409144320 426869536 449994240 480228228 487493760 519993344 520247247 533586920 584992512 599992320 600285285 640304304 649991680 693662996 731240640 779990016 800380380 818288640 853739072 867078745 899988480 960456456 974987520 1040494494 1067173840 1169985024 1200570570 1280608608 1299983360 1387325992 1462481280 1559980032 1560741741 1600760760 1707478144 1734157490 1799976960 1920912912 1949975040 2080988988 2134347680 2339970048 2401141140 2561217216 2599966720 2601236235 2774651984 2924962560 3121483482 3201521520 3414956288 3468314980 3841825824 3899950080 4161977976 4268695360 4679940096 4802282280 5122434432 5202472470 5549303968 5849925120 6242966964 6403043040 6829912576 6936629960 7683651648 7799900160 7803708705 8323955952 8537390720 9604564560 10244868864 10404944940 11098607936 11699850240 12485933928 12806086080 13659825152 13873259920 15367303296 15607417410 16647911904 17074781440 19209129120 20489737728 20809889880 22197215872 23399700480 24971867856 25612172160 27319650304 27746519840 30734606592 31214834820 33295823808 34149562880 38418258240 40979475456 41619779760 44394431744 49943735712 51224344320 55493039680 61469213184 62429669640 66591647616 68299125760 76836516480 81958950912 83239559520 88788863488 99887471424 102448688640 110986079360 122938426368 124859339280 133183295232 136598251520 153673032960 166479119040 177577726976 199774942848 204897377280 221972158720 245876852736 249718678560 266366590464 307346065920 332958238080 355155453952 399549885696 409794754560 443944317440 499437357120 532733180928 614692131840 665916476160 799099771392 887888634880 998874714240 1065466361856 1229384263680 1331832952320 1598199542784 1775777269760 1997749428480 2663665904640 3196399085568 3995498856960 5327331809280 7990997713920 15981995427840
• Sum of all divisors σ(n): 59741945565120
• Sum of proper divisors (its aliquot sum) s(n): 43759950137280
• 15981995427840 is an abundant number, because the sum of its proper divisors (43759950137280) is greater than itself. Its abundance is 27777954709440

Bases of 15981995427840

• Binary: 11101000100100011001001010010000100000000000₂
• Hexadecimal: 0xE8919290800
• Base-36: 5NY0ZFNK0

Squares and roots of 15981995427840

• 15981995427840 squared (15981995427840²) is 255424177855498664647065600
• 15981995427840 cubed (15981995427840³) is 4082188042646370634592627866472546304000
• The square root of 15981995427840 is 3997748.7949895001
• The cube root of 15981995427840 is 25188.9656422433

Scales and comparisons

• 15,981,995,427,840 seconds is equal to 508,178 years, 6 days, 22 hours, 24 minutes.
• To count from 1 to 15,981,995,427,840 would take you about one million, two hundred seventy thousand, four hundred forty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 15981995427840 cubic inches would be around 2099.1 feet tall.

Recreational maths with 15981995427840

• 15981995427840 backwards is 04872459918951
• 15981995427840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 15981995427840's digits is 72
• More coming soon!